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Re: New insns for the s390 backend (2)
> From: Roger Sayle <roger@eyesopen.com>
>
> Hi Richard,
>
> On Wed, 27 Aug 2003, Richard Henderson wrote:
> > On Wed, Aug 27, 2003 at 12:19:12PM -0600, Roger Sayle wrote:
> > > . Perhaps a safer approach is a __builtin_fmadd (perhaps
> > > even on all platforms using a default mult-then-add implementation
> > > when a special isnsn isn't available), and then guard the implicit
> > > use of fmadd with flag_unsafe_math_optimization.
> >
> > We should have this at minimum because of c99's fma function.
>
> Oops! You walked right into that one... Just like the fma builtin
> in Kaveh's C99 math builtins patch, which is awaiting review at:
>
> http://gcc.gnu.org/ml/gcc-patches/2003-08/msg00309.html
>
> Many thanks in advance :>
> Roger
No need, Jim W just reviewed it for me. Thanks though Roger. :-)
--
Kaveh R. Ghazi ghazi@caip.rutgers.edu